MEA encryption a guest Apr 3rd, 2017 237 Never a guest237Never

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rawdownloadcloneembedreportprint C 7.78 KB __int64 __fastcall sub_14B482CA0 ( __int64 decryptedBuff , __int64 encryptedBuff , __int64 size ) { int v3 ; // eax@1 unsigned __int64 v4 ; // r9@1 int v5 ; // er14@1 __int64 v6 ; // rsi@1 __int64 v7 ; // rdi@1 signed __int64 v8 ; // rbx@1 int v9 ; // er11@1 signed __int64 v10 ; // rdx@2 int v11 ; // ecx@3 int v12 ; // ebp@4 signed __int64 v13 ; // r9@4 int v14 ; // ebp@4 signed __int64 v15 ; // r10@4 int v16 ; // ecx@5 int v17 ; // edx@5 int v18 ; // er8@5 __int64 v19 ; // r11@6 unsigned int v20 ; // er8@6 unsigned __int8 v21 ; // bp@6 unsigned int v22 ; // er9@6 int v23 ; // edx@7 int v24 ; // er9@7 signed __int64 v25 ; // rbx@10 unsigned int v26 ; // er9@10 signed __int64 v27 ; // rsi@10 signed __int64 v28 ; // r10@10 unsigned __int8 v29 ; // r11@10 int v30 ; // edx@11 int v31 ; // er9@11 __int64 v32 ; // r11@14 unsigned int v33 ; // er9@14 unsigned __int8 v34 ; // r10@14 signed __int64 v35 ; // rsi@14 int v36 ; // edx@15 int v37 ; // er9@15 unsigned int v38 ; // er9@18 signed __int64 v39 ; // rsi@18 signed __int64 v40 ; // r10@18 unsigned __int8 v41 ; // r11@18 int v42 ; // edx@19 int v43 ; // er9@19 unsigned int v44 ; // er9@22 signed __int64 v45 ; // r10@22 unsigned __int8 v46 ; // r11@22 int v47 ; // edx@23 int v48 ; // er9@23 signed __int64 v49 ; // r11@26 signed __int64 v50 ; // r9@26 unsigned __int8 v51 ; // r10@26 int v52 ; // edx@27 int v53 ; // er8@27 __int64 result ; // rax@30 v3 = 0 ; * ( _QWORD * ) decryptedBuff = encryptedBuff ; * ( _QWORD * ) ( decryptedBuff + 8 ) = size ; v4 = * ( _WORD * ) ( encryptedBuff + 392 ) ; v5 = size ; v6 = encryptedBuff ; v7 = decryptedBuff ; v8 = encryptedBuff + 410 ; v9 = 0 ; * ( _QWORD * ) ( decryptedBuff + 16 ) = v4 ; if ( v4 ) { v10 = encryptedBuff + 410 ; do { v11 = * ( _BYTE * ) v10 ++; v9 = v11 ^ 2 * ( v11 + v9 ) ; } while ( v10 - v8 < v4 ) ; } v12 = ( * ( _BYTE * ) ( v6 + 405 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 405 ) + ( * ( _BYTE * ) ( v6 + 404 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 404 ) + ( * ( _BYTE * ) ( v6 + 403 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 403 ) + ( * ( _BYTE * ) ( v6 + 402 ) ^ 2 * * ( _BYTE * ) ( v6 + 402 ) ) ) ) ) ) ) ) + ( * ( _BYTE * ) ( v6 + 3 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 3 ) + ( * ( _BYTE * ) ( v6 + 2 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 2 ) + ( * ( _BYTE * ) ( v6 + 1 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 1 ) + ( * ( _BYTE * ) v6 ^ 2 * * ( _BYTE * ) v6 ) ) ) ) ) ) ) + ( * ( _BYTE * ) ( v6 + 391 ) ^ 2 * * ( _BYTE * ) ( v6 + 391 ) ) + v9 + ( * ( _BYTE * ) ( v6 + 397 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 397 ) + ( * ( _BYTE * ) ( v6 + 396 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 396 ) + ( * ( _BYTE * ) ( v6 + 395 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 395 ) + ( * ( _BYTE * ) ( v6 + 394 ) ^ 2 * * ( _BYTE * ) ( v6 + 394 ) ) ) ) ) ) ) ) ; v13 = v6 + 5 ; v14 = ( * ( _BYTE * ) ( v6 + 409 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 409 ) + ( * ( _BYTE * ) ( v6 + 408 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 408 ) + ( * ( _BYTE * ) ( v6 + 407 ) ^ 2 * ( * ( _BYTE * ) ( v6 + 407 ) + ( * ( _BYTE * ) ( v6 + 406 ) ^ 2 * * ( _BYTE * ) ( v6 + 406 ) ) ) ) ) ) ) ) + v12 ; v15 = 129i64 ; do { v16 = * ( _BYTE * ) ( v13 - 1 ) ; v17 = * ( _BYTE * ) v13 ; v18 = * ( _BYTE * ) ( v13 + 1 ) ; v13 += 3i64 ; v3 = v18 ^ 2 * ( v18 + ( v17 ^ 2 * ( v17 + ( v16 ^ 2 * ( v16 + v3 ) ) ) ) ) ; -- v15 ; } while ( v15 ) ; v19 = * ( _WORD * ) ( v6 + 392 ) ; v20 = 1172968056 ; v21 = v3 + v14 ; v22 = 1172968056 ; if ( * ( _WORD * ) ( v6 + 392 ) ) { do { v23 = ( unsigned __int8 ) ( * ( _BYTE * ) v8 ^ ( v22 + BYTE1 ( v22 ) + ( v22 >> 16 ) + BYTE3 ( v22 ) ) ) ; * ( _BYTE * ) v8 = v23 ; v24 = __ROL4__ ( v22 , v23 & 0x1F ) ; v22 = __ROL4__ ( ( v23 | ( ( v23 | ( ( v23 | ( v23 << 8 ) ) << 8 ) ) << 8 ) ) + v24 , 1 ) ; if ( ( unsigned __int8 ) v15 > 0x10u ) { v22 *= 2 ; LOBYTE ( v15 ) = 0 ; } LOBYTE ( v15 ) = v15 + 1 ; ++ v8 ; -- v19 ; } while ( v19 ) ; } v25 = 4i64 ; v26 = 1172968056 ; * ( _BYTE * ) ( * ( _QWORD * ) v7 + 391i64 ) ^= 0xB9u ; v27 = 4i64 ; v28 = * ( _QWORD * ) v7 + 394i64 ; v29 = 0 ; do { v30 = ( unsigned __int8 ) ( * ( _BYTE * ) v28 ^ ( v26 + BYTE1 ( v26 ) + ( v26 >> 16 ) + BYTE3 ( v26 ) ) ) ; * ( _BYTE * ) v28 = v30 ; v31 = __ROL4__ ( v26 , v30 & 0x1F ) ; v26 = __ROL4__ ( ( v30 | ( ( v30 | ( ( v30 | ( v30 << 8 ) ) << 8 ) ) << 8 ) ) + v31 , 1 ) ; if ( v29 > 0x10u ) { v26 *= 2 ; v29 = 0 ; } ++ v29 ; ++ v28 ; -- v27 ; } while ( v27 ) ; v32 = * ( _QWORD * ) v7 ; v33 = 1172968056 ; v34 = 0 ; v35 = 4i64 ; do { v36 = ( unsigned __int8 ) ( * ( _BYTE * ) v32 ^ ( v33 + BYTE1 ( v33 ) + ( v33 >> 16 ) + BYTE3 ( v33 ) ) ) ; * ( _BYTE * ) v32 = v36 ; v37 = __ROL4__ ( v33 , v36 & 0x1F ) ; v33 = __ROL4__ ( ( v36 | ( ( v36 | ( ( v36 | ( v36 << 8 ) ) << 8 ) ) << 8 ) ) + v37 , 1 ) ; if ( v34 > 0x10u ) { v33 *= 2 ; v34 = 0 ; } ++ v34 ; ++ v32 ; -- v35 ; } while ( v35 ) ; v38 = 1172968056 ; v39 = 4i64 ; v40 = * ( _QWORD * ) v7 + 402i64 ; v41 = 0 ; do { v42 = ( unsigned __int8 ) ( * ( _BYTE * ) v40 ^ ( v38 + BYTE1 ( v38 ) + ( v38 >> 16 ) + BYTE3 ( v38 ) ) ) ; * ( _BYTE * ) v40 = v42 ; v43 = __ROL4__ ( v38 , v42 & 0x1F ) ; v38 = __ROL4__ ( ( v42 | ( ( v42 | ( ( v42 | ( v42 << 8 ) ) << 8 ) ) << 8 ) ) + v43 , 1 ) ; if ( v41 > 0x10u ) { v38 *= 2 ; v41 = 0 ; } ++ v41 ; ++ v40 ; -- v39 ; } while ( v39 ) ; v44 = 1172968056 ; v45 = * ( _QWORD * ) v7 + 406i64 ; v46 = 0 ; do { v47 = ( unsigned __int8 ) ( * ( _BYTE * ) v45 ^ ( v44 + BYTE1 ( v44 ) + ( v44 >> 16 ) + BYTE3 ( v44 ) ) ) ; * ( _BYTE * ) v45 = v47 ; v48 = __ROL4__ ( v44 , v47 & 0x1F ) ; v44 = __ROL4__ ( ( v47 | ( ( v47 | ( ( v47 | ( v47 << 8 ) ) << 8 ) ) << 8 ) ) + v48 , 1 ) ; if ( v46 > 0x10u ) { v44 *= 2 ; v46 = 0 ; } ++ v46 ; ++ v45 ; -- v25 ; } while ( v25 ) ; v49 = 387i64 ; v50 = * ( _QWORD * ) v7 + 4i64 ; v51 = 0 ; do { v52 = ( unsigned __int8 ) ( * ( _BYTE * ) v50 ^ ( v20 + BYTE1 ( v20 ) + ( v20 >> 16 ) + BYTE3 ( v20 ) ) ) ; * ( _BYTE * ) v50 = v52 ; v53 = __ROL4__ ( v20 , v52 & 0x1F ) ; v20 = __ROL4__ ( ( v52 | ( ( v52 | ( ( v52 | ( v52 << 8 ) ) << 8 ) ) << 8 ) ) + v53 , 1 ) ; if ( v51 > 0x10u ) { v20 *= 2 ; v51 = 0 ; } ++ v51 ; ++ v50 ; -- v49 ; } while ( v49 ) ; * ( _DWORD * ) ( * ( _QWORD * ) v7 + 398i64 ) = v5 ; result = * ( _QWORD * ) v7 ; if ( * ( _WORD * ) ( * ( _QWORD * ) v7 + 325i64 ) == 1 ) * ( _BYTE * ) ( result + 5 ) ^= v21 ; if ( * ( _WORD * ) ( * ( _QWORD * ) v7 + 325i64 ) == 2 ) { result = v21 ; * ( _WORD * ) ( * ( _QWORD * ) v7 + 5i64 ) ^= v21 ; } if ( * ( _WORD * ) ( * ( _QWORD * ) v7 + 325i64 ) == 4 ) { result = v21 ; * ( _DWORD * ) ( * ( _QWORD * ) v7 + 5i64 ) ^= v21 ; } if ( * ( _WORD * ) ( * ( _QWORD * ) v7 + 325i64 ) == 8 ) { result = v21 ; * ( _QWORD * ) ( * ( _QWORD * ) v7 + 5i64 ) ^= v21 ; } return result ; } greetz WV

RAW Paste Data

__int64 __fastcall sub_14B482CA0(__int64 decryptedBuff, __int64 encryptedBuff, __int64 size) { int v3; // eax@1 unsigned __int64 v4; // r9@1 int v5; // er14@1 __int64 v6; // rsi@1 __int64 v7; // rdi@1 signed __int64 v8; // rbx@1 int v9; // er11@1 signed __int64 v10; // rdx@2 int v11; // ecx@3 int v12; // ebp@4 signed __int64 v13; // r9@4 int v14; // ebp@4 signed __int64 v15; // r10@4 int v16; // ecx@5 int v17; // edx@5 int v18; // er8@5 __int64 v19; // r11@6 unsigned int v20; // er8@6 unsigned __int8 v21; // bp@6 unsigned int v22; // er9@6 int v23; // edx@7 int v24; // er9@7 signed __int64 v25; // rbx@10 unsigned int v26; // er9@10 signed __int64 v27; // rsi@10 signed __int64 v28; // r10@10 unsigned __int8 v29; // r11@10 int v30; // edx@11 int v31; // er9@11 __int64 v32; // r11@14 unsigned int v33; // er9@14 unsigned __int8 v34; // r10@14 signed __int64 v35; // rsi@14 int v36; // edx@15 int v37; // er9@15 unsigned int v38; // er9@18 signed __int64 v39; // rsi@18 signed __int64 v40; // r10@18 unsigned __int8 v41; // r11@18 int v42; // edx@19 int v43; // er9@19 unsigned int v44; // er9@22 signed __int64 v45; // r10@22 unsigned __int8 v46; // r11@22 int v47; // edx@23 int v48; // er9@23 signed __int64 v49; // r11@26 signed __int64 v50; // r9@26 unsigned __int8 v51; // r10@26 int v52; // edx@27 int v53; // er8@27 __int64 result; // rax@30 v3 = 0; *(_QWORD *)decryptedBuff = encryptedBuff; *(_QWORD *)(decryptedBuff + 8) = size; v4 = *(_WORD *)(encryptedBuff + 392); v5 = size; v6 = encryptedBuff; v7 = decryptedBuff; v8 = encryptedBuff + 410; v9 = 0; *(_QWORD *)(decryptedBuff + 16) = v4; if ( v4 ) { v10 = encryptedBuff + 410; do { v11 = *(_BYTE *)v10++; v9 = v11 ^ 2 * (v11 + v9); } while ( v10 - v8 < v4 ); } v12 = (*(_BYTE *)(v6 + 405) ^ 2 * (*(_BYTE *)(v6 + 405) + (*(_BYTE *)(v6 + 404) ^ 2 * (*(_BYTE *)(v6 + 404) + (*(_BYTE *)(v6 + 403) ^ 2 * (*(_BYTE *)(v6 + 403) + (*(_BYTE *)(v6 + 402) ^ 2 * *(_BYTE *)(v6 + 402)))))))) + (*(_BYTE *)(v6 + 3) ^ 2 * (*(_BYTE *)(v6 + 3) + (*(_BYTE *)(v6 + 2) ^ 2 * (*(_BYTE *)(v6 + 2) + (*(_BYTE *)(v6 + 1) ^ 2 * (*(_BYTE *)(v6 + 1) + (*(_BYTE *)v6 ^ 2 * *(_BYTE *)v6))))))) + (*(_BYTE *)(v6 + 391) ^ 2 * *(_BYTE *)(v6 + 391)) + v9 + (*(_BYTE *)(v6 + 397) ^ 2 * (*(_BYTE *)(v6 + 397) + (*(_BYTE *)(v6 + 396) ^ 2 * (*(_BYTE *)(v6 + 396) + (*(_BYTE *)(v6 + 395) ^ 2 * (*(_BYTE *)(v6 + 395) + (*(_BYTE *)(v6 + 394) ^ 2 * *(_BYTE *)(v6 + 394)))))))); v13 = v6 + 5; v14 = (*(_BYTE *)(v6 + 409) ^ 2 * (*(_BYTE *)(v6 + 409) + (*(_BYTE *)(v6 + 408) ^ 2 * (*(_BYTE *)(v6 + 408) + (*(_BYTE *)(v6 + 407) ^ 2 * (*(_BYTE *)(v6 + 407) + (*(_BYTE *)(v6 + 406) ^ 2 * *(_BYTE *)(v6 + 406)))))))) + v12; v15 = 129i64; do { v16 = *(_BYTE *)(v13 - 1); v17 = *(_BYTE *)v13; v18 = *(_BYTE *)(v13 + 1); v13 += 3i64; v3 = v18 ^ 2 * (v18 + (v17 ^ 2 * (v17 + (v16 ^ 2 * (v16 + v3))))); --v15; } while ( v15 ); v19 = *(_WORD *)(v6 + 392); v20 = 1172968056; v21 = v3 + v14; v22 = 1172968056; if ( *(_WORD *)(v6 + 392) ) { do { v23 = (unsigned __int8)(*(_BYTE *)v8 ^ (v22 + BYTE1(v22) + (v22 >> 16) + BYTE3(v22))); *(_BYTE *)v8 = v23; v24 = __ROL4__(v22, v23 & 0x1F); v22 = __ROL4__((v23 | ((v23 | ((v23 | (v23 << 8)) << 8)) << 8)) + v24, 1); if ( (unsigned __int8)v15 > 0x10u ) { v22 *= 2; LOBYTE(v15) = 0; } LOBYTE(v15) = v15 + 1; ++v8; --v19; } while ( v19 ); } v25 = 4i64; v26 = 1172968056; *(_BYTE *)(*(_QWORD *)v7 + 391i64) ^= 0xB9u; v27 = 4i64; v28 = *(_QWORD *)v7 + 394i64; v29 = 0; do { v30 = (unsigned __int8)(*(_BYTE *)v28 ^ (v26 + BYTE1(v26) + (v26 >> 16) + BYTE3(v26))); *(_BYTE *)v28 = v30; v31 = __ROL4__(v26, v30 & 0x1F); v26 = __ROL4__((v30 | ((v30 | ((v30 | (v30 << 8)) << 8)) << 8)) + v31, 1); if ( v29 > 0x10u ) { v26 *= 2; v29 = 0; } ++v29; ++v28; --v27; } while ( v27 ); v32 = *(_QWORD *)v7; v33 = 1172968056; v34 = 0; v35 = 4i64; do { v36 = (unsigned __int8)(*(_BYTE *)v32 ^ (v33 + BYTE1(v33) + (v33 >> 16) + BYTE3(v33))); *(_BYTE *)v32 = v36; v37 = __ROL4__(v33, v36 & 0x1F); v33 = __ROL4__((v36 | ((v36 | ((v36 | (v36 << 8)) << 8)) << 8)) + v37, 1); if ( v34 > 0x10u ) { v33 *= 2; v34 = 0; } ++v34; ++v32; --v35; } while ( v35 ); v38 = 1172968056; v39 = 4i64; v40 = *(_QWORD *)v7 + 402i64; v41 = 0; do { v42 = (unsigned __int8)(*(_BYTE *)v40 ^ (v38 + BYTE1(v38) + (v38 >> 16) + BYTE3(v38))); *(_BYTE *)v40 = v42; v43 = __ROL4__(v38, v42 & 0x1F); v38 = __ROL4__((v42 | ((v42 | ((v42 | (v42 << 8)) << 8)) << 8)) + v43, 1); if ( v41 > 0x10u ) { v38 *= 2; v41 = 0; } ++v41; ++v40; --v39; } while ( v39 ); v44 = 1172968056; v45 = *(_QWORD *)v7 + 406i64; v46 = 0; do { v47 = (unsigned __int8)(*(_BYTE *)v45 ^ (v44 + BYTE1(v44) + (v44 >> 16) + BYTE3(v44))); *(_BYTE *)v45 = v47; v48 = __ROL4__(v44, v47 & 0x1F); v44 = __ROL4__((v47 | ((v47 | ((v47 | (v47 << 8)) << 8)) << 8)) + v48, 1); if ( v46 > 0x10u ) { v44 *= 2; v46 = 0; } ++v46; ++v45; --v25; } while ( v25 ); v49 = 387i64; v50 = *(_QWORD *)v7 + 4i64; v51 = 0; do { v52 = (unsigned __int8)(*(_BYTE *)v50 ^ (v20 + BYTE1(v20) + (v20 >> 16) + BYTE3(v20))); *(_BYTE *)v50 = v52; v53 = __ROL4__(v20, v52 & 0x1F); v20 = __ROL4__((v52 | ((v52 | ((v52 | (v52 << 8)) << 8)) << 8)) + v53, 1); if ( v51 > 0x10u ) { v20 *= 2; v51 = 0; } ++v51; ++v50; --v49; } while ( v49 ); *(_DWORD *)(*(_QWORD *)v7 + 398i64) = v5; result = *(_QWORD *)v7; if ( *(_WORD *)(*(_QWORD *)v7 + 325i64) == 1 ) *(_BYTE *)(result + 5) ^= v21; if ( *(_WORD *)(*(_QWORD *)v7 + 325i64) == 2 ) { result = v21; *(_WORD *)(*(_QWORD *)v7 + 5i64) ^= v21; } if ( *(_WORD *)(*(_QWORD *)v7 + 325i64) == 4 ) { result = v21; *(_DWORD *)(*(_QWORD *)v7 + 5i64) ^= v21; } if ( *(_WORD *)(*(_QWORD *)v7 + 325i64) == 8 ) { result = v21; *(_QWORD *)(*(_QWORD *)v7 + 5i64) ^= v21; } return result; } greetz WV